6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 119 insertions, 0 deletions

diff --git a/usr/src/lib/libast/common/comp/open.c b/usr/src/lib/libast/common/comp/open.c
new file mode 100644
index 0000000000..b9667d859b
--- /dev/null
+++ b/usr/src/lib/libast/common/comp/open.c
@@ -0,0 +1,119 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+/*
+ * -last 3 arg open
+ */
+
+#include <ast.h>
+
+#if !defined(open) || !defined(_ast_O_LOCAL)
+
+NoN(open)
+
+#else
+
+#undef	open
+
+extern int	open(const char*, int, ...);
+
+#include <ls.h>
+#include <error.h>
+
+#ifdef O_NOCTTY
+#include <ast_tty.h>
+#endif
+
+int
+_ast_open(const char* path, int op, ...)
+{
+	int		fd;
+	int		mode;
+	int		save_errno;
+	struct stat	st;
+	va_list		ap;
+
+	save_errno = errno;
+	va_start(ap, op);
+	mode = (op & O_CREAT) ? va_arg(ap, int) : S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
+	va_end(ap);
+	if (op & ~(_ast_O_LOCAL-1))
+	{
+		if (!(op & O_CREAT))
+			op &= ~O_EXCL;
+		for (;;)
+		{
+			if (op & O_TRUNC)
+			{
+				if ((op & O_EXCL) && !access(path, F_OK))
+				{
+					errno = EEXIST;
+					return(-1);
+				}
+				if ((fd = creat(path, (op & O_EXCL) ? 0 : mode)) < 0)
+					return(-1);
+				if (op & O_EXCL)
+				{
+					if (fstat(fd, &st) || (st.st_mode & S_IPERM))
+					{
+						errno = EEXIST;
+						close(fd);
+						return(-1);
+					}
+#if _lib_fchmod
+					if (mode && fchmod(fd, mode))
+#else
+					if (mode && chmod(path, mode))
+#endif
+						errno = save_errno;
+				}
+				if ((op & O_ACCMODE) == O_RDWR)
+				{
+					close(fd);
+					op &= ~(O_CREAT|O_TRUNC);
+					continue;
+				}
+			}
+			else if ((fd = open(path, op & (_ast_O_LOCAL-1), mode)) < 0)
+			{
+				if (op & O_CREAT)
+				{
+					op |= O_TRUNC;
+					continue;
+				}
+				return(-1);
+			}
+			else if ((op & O_APPEND) && lseek(fd, 0L, SEEK_END) == -1L)
+				errno = save_errno;
+#if O_NOCTTY
+			if ((op & O_NOCTTY) && ioctl(fd, TIOCNOTTY, 0))
+				errno = save_errno;
+#endif
+			break;
+		}
+	}
+	else fd = open(path, op, mode);
+	return(fd);
+}
+
+#endif